remarkably intact original c. 1920's vintage american industrial "white" articulating machine shop or factory workbench task lamp. features a cold-rolled heavy gauge steel reflector with original green porcelain enameled finish intact. the sectional ball and socket cast iron "knuckle" joint is completely intact and in excellent working condition. patented by otis c. white in 1893, the versatile joint received many awards and medals (e.g., franklin institute, of philadelphia, the massachusetts charitable mechanics association, of boston, etc.) for its remarkable originality, both in design and execution. the cast bronze and iron wrist joint contains lightly incised manufacturer markings. the paddle switch edison socket has been rewired. original cast iron flange mounts flush against a table, wall or ceiling. fabricated by the otis c. white company, worcester, mass.